diff --git a/src/twisted/web/server.py b/src/twisted/web/server.py
index 23e3e408e..8e3e5b772 100644
--- a/src/twisted/web/server.py
+++ b/src/twisted/web/server.py
@@ -178,7 +178,6 @@ class Request(Copyable, http.Request, components.Componentized):
         self.site = self.channel.site
 
         # set various default headers
-        self.setHeader(b'server', version)
         self.setHeader(b'date', http.datetimeToString())
 
         # Resource Identification